/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package air.servlet;

import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.http.*;
/**
 *
 * @author mrxyz
 * This class handles all the requests from the JSPX-pages and redirekts them
 * to the right servlet
 */
public class HttpRequestHandler extends HttpServlet{
        /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            //Colects the value of goTo(which servlet to use) and redirects them
            //to the richt servlet
            String goTo = request.getParameter("goTo");
            if (goTo.equalsIgnoreCase("findTrip")){
                FindTrip FT = new FindTrip();
                FT.processRequest(request, response);
            }
            else if (goTo.equalsIgnoreCase("chooseTrip")){
                ChooseTrip CT = new ChooseTrip();
                CT.processRequest(request, response);
            }
            else if (goTo.equalsIgnoreCase("bookTrip")){
                BookTrip BT = new BookTrip();
                BT.processRequest(request, response);
            }
            else if (goTo.equalsIgnoreCase("findDelete")){
                ViewTripDetails FD = new ViewTripDetails();
                FD.processRequest(request, response);
            }
            else if (goTo.equalsIgnoreCase("deleteTrip")){
                DeleteTrip DT = new DeleteTrip();
                DT.processRequest(request, response);
            }
        }
        finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
